HU184627B - Circuit arrangement for integrated amplifiers of two-wire technology - Google Patents
Circuit arrangement for integrated amplifiers of two-wire technology Download PDFInfo
- Publication number
- HU184627B HU184627B HUFE001050A HU184627B HU 184627 B HU184627 B HU 184627B HU FE001050 A HUFE001050 A HU FE001050A HU 184627 B HU184627 B HU 184627B
- Authority
- HU
- Hungary
- Prior art keywords
- resistor
- mirror circuit
- output
- circuit unit
- amplifier
- Prior art date
Links
- 238000005516 engineering process Methods 0.000 title description 5
- 230000000295 complement effect Effects 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
- H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
- H03F3/187—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only in integrated circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD20710578A DD138260B1 (de) | 1978-08-03 | 1978-08-03 | Schaltungsanordnung fuer integrierte verstaerker der zweidrahttechnik |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HU184627B true HU184627B (en) | 1984-09-28 |
Family
ID=5513890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HUFE001050 HU184627B (en) | 1978-08-03 | 1979-08-02 | Circuit arrangement for integrated amplifiers of two-wire technology |
Country Status (5)
| Country | Link |
|---|---|
| CU (1) | CU21084A (es) |
| DD (1) | DD138260B1 (es) |
| DE (1) | DE2922693C2 (es) |
| HU (1) | HU184627B (es) |
| RO (1) | RO80670A (es) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1762924B1 (de) * | 1968-09-24 | 1970-09-03 | Siemens Ag | Schaltungsanordnung fuer einen Fernsprechmikrofonverstaerker mit verstaerkerausgangsseitiger Speisung |
| DE2121929C3 (de) * | 1971-05-04 | 1980-09-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Spannungsstabilisierter Transistorverstärker |
-
1978
- 1978-08-03 DD DD20710578A patent/DD138260B1/de not_active IP Right Cessation
-
1979
- 1979-06-02 DE DE19792922693 patent/DE2922693C2/de not_active Expired
- 1979-07-19 RO RO7998202A patent/RO80670A/ro unknown
- 1979-08-02 CU CU35117A patent/CU21084A/es unknown
- 1979-08-02 HU HUFE001050 patent/HU184627B/hu not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| RO80670A (ro) | 1982-12-06 |
| DD138260B1 (de) | 1981-10-28 |
| DE2922693C2 (de) | 1987-03-05 |
| CU21084A (es) | 1982-03-28 |
| DD138260A1 (de) | 1979-10-17 |
| DE2922693A1 (de) | 1980-02-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| HU90 | Patent valid on 900628 | ||
| HMM4 | Cancellation of final prot. due to non-payment of fee |